The energy we can use in tropically degrades, but we get more of it every day. The physics the accounting of those are totally different. Dos not one economy that fung to itself with one accounting system. That's three completely separate, but interacting physical economies. And so when we come back to this metho poetic, we can't keep going the way that we're going. There's a purgatory coming, and it's going to be hit or missed till we're actually there.